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    Thermodynamics: Change in entropy for a heat engine

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    A heat engine operates between two reservoirs at T_2= 600K and T_1= 350K. It takes in 1000J of energy from the higher-temperature reservoir and performed 250 J of work. Find the entropy change of the universe and the work that could have been done by an ideal Carnot engine operating between these two reservoirs.

    I've tried (Q_h/T_h)- (Q_c/T_c). My answer is incorrect. I come up with 1. something instead of .476 J/K. Can you help?

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    https://brainmass.com/physics/heat-engines/thermodynamics-change-entropy-heat-engine-35107

    Solution Preview

    The only question is that from where we are gating energy for work to be done? Actually
    Energy ...

    Solution Summary

    The energy absorbed and work done by a heat engine is given. The change in entropy is calculated.

    $2.49

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